1 //===- ELFObjHandler.h ------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===-----------------------------------------------------------------------===/
8 /// \file
9 /// This supports reading and writing of elf dynamic shared objects.
10 ///
11 //===-----------------------------------------------------------------------===/
12 
13 #ifndef LLVM_INTERFACESTUB_ELFOBJHANDLER_H
14 #define LLVM_INTERFACESTUB_ELFOBJHANDLER_H
15 
16 #include "llvm/InterfaceStub/IFSStub.h"
17 #include "llvm/Object/ELFObjectFile.h"
18 #include "llvm/Object/ELFTypes.h"
19 #include "llvm/Support/FileSystem.h"
20 
21 namespace llvm {
22 
23 class MemoryBuffer;
24 
25 namespace ifs {
26 
27 /// Attempt to read a binary ELF file from a MemoryBuffer.
28 Expected<std::unique_ptr<IFSStub>> readELFFile(MemoryBufferRef Buf);
29 
30 /// Attempt to write a binary ELF stub.
31 /// This function determines appropriate ELFType using the passed ELFTarget and
32 /// then writes a binary ELF stub to a specified file path.
33 ///
34 /// @param FilePath File path for writing the ELF binary.
35 /// @param Stub Source ELFStub to generate a binary ELF stub from.
36 /// @param WriteIfChanged Whether or not to preserve timestamp if
37 ///        the output stays the same.
38 Error writeBinaryStub(StringRef FilePath, const IFSStub &Stub,
39                       bool WriteIfChanged = false);
40 
41 } // end namespace ifs
42 } // end namespace llvm
43 
44 #endif // LLVM_INTERFACESTUB_ELFOBJHANDLER_H
45